Summary
It was discovered that curl incorrectly handled reusing connections
when the origin changed between transfers. A remote attacker could
possibly use this issue to obtain sensitive information.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | curl | 7.81.0-1ubuntu1.26 |
| Ubuntu · 24.04 LTS 24.04:LTS | curl | 8.5.0-2ubuntu10.12 |
| Ubuntu · 26.04 LTS 26.04:LTS | curl | 8.18.0-1ubuntu2.4 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | curl | 7.35.0-1ubuntu2.20+esm22 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | curl | 7.47.0-1ubuntu2.19+esm18 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | curl | 7.58.0-2ubuntu3.24+esm11 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | curl | 7.68.0-1ubuntu2.25+esm6 |
References
-
report
https://ubuntu.com/security/CVE-2026-11856